.advan{padding:0 0 20px}
.advan .advan-list{margin:0}
.advan .advan-list>li{width:24%;padding:0;border:1px solid #eee;margin-right:1.3333%;}
.advan .advan-list>li:nth-child(4n){margin-right:0;}
@media (max-width:1080px){.advan{padding:0 0 10px}
.advan .advan-list>li{width:48%;margin-right:4%;margin-bottom:20px}
.advan .advan-list>li:nth-child(2n){margin-right:0;}}
@media (max-width:500px){.advan{padding:0}
.advan .advan-list>li{width:100%;margin-right:0;}}